1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <secdb.h>
29#include <user_attr.h>
30#include "ldap_common.h"
31
32
33/* user_attr attributes filters */
34#define	_USER_NAME		"uid"
35#define	_USER_QUALIFIER		"SolarisUserQualifier"
36#define	_USER_RES1		"SolarisAttrReserved1"
37#define	_USER_RES2		"SolarisAttrReserved2"
38#define	_USER_ATTRS		"SolarisAttrKeyValue"
39#define	_USER_GETUSERNAME	\
40	"(&(objectClass=SolarisUserAttr)(uid=%s))"
41#define	_USER_GETUSERNAME_SSD	"(&(%%s)(uid=%s))"
42
43
44static const char *user_attrs[] = {
45	_USER_NAME,
46	_USER_QUALIFIER,
47	_USER_RES1,
48	_USER_RES2,
49	_USER_ATTRS,
50	(char *)NULL
51};
52/*
53 * _nss_ldap_user2str is the data marshaling method for the user_attr
54 * system call getuserattr, getusernam and getuseruid.
55 * This method is called after a successful search has been performed.
56 * This method will parse the search results into the file format.
57 * e.g.
58 *
59 * adm::::profiles=Log Management
60 *
61 */
62static int
63_nss_ldap_user2str(ldap_backend_ptr be, nss_XbyY_args_t *argp)
64{
65	int			nss_result;
66	int			buflen = 0;
67	unsigned long		len = 0L;
68	char			*buffer = NULL;
69	ns_ldap_result_t	*result = be->result;
70	char			**name, **res1, **res2, **qu, **attr;
71	char			*res1_str, *res2_str, *qu_str, *attr_str;
72
73	if (result == NULL)
74		return (NSS_STR_PARSE_PARSE);
75
76	buflen = argp->buf.buflen;
77	nss_result = NSS_STR_PARSE_SUCCESS;
78	(void) memset(argp->buf.buffer, 0, buflen);
79
80	name = __ns_ldap_getAttr(result->entry, _USER_NAME);
81	if (name == NULL || name[0] == NULL ||
82			(strlen(name[0]) < 1)) {
83		nss_result = NSS_STR_PARSE_PARSE;
84		goto result_user2str;
85	}
86
87	qu = __ns_ldap_getAttr(result->entry, _USER_QUALIFIER);
88	if (qu == NULL || qu[0] == NULL || (strlen(qu[0]) < 1))
89		qu_str = _NO_VALUE;
90	else
91		qu_str = qu[0];
92
93	res1 = __ns_ldap_getAttr(result->entry, _USER_RES2);
94	if (res1 == NULL || res1[0] == NULL || (strlen(res1[0]) < 1))
95		res1_str = _NO_VALUE;
96	else
97		res1_str = res1[0];
98
99	res2 = __ns_ldap_getAttr(result->entry, _USER_RES2);
100	if (res2 == NULL || res2[0] == NULL || (strlen(res2[0]) < 1))
101		res2_str = _NO_VALUE;
102	else
103		res2_str = res2[0];
104
105	attr = __ns_ldap_getAttr(result->entry, _USER_ATTRS);
106	if (attr == NULL || attr[0] == NULL || (strlen(attr[0]) < 1))
107		attr_str = _NO_VALUE;
108	else
109		attr_str = attr[0];
110	/* 5 = 4 ':' + 1 '\0' */
111	len = strlen(name[0]) + strlen(res1_str) + strlen(res2_str) +
112		strlen(qu_str) + strlen(attr_str) + 5;
113	if (len > buflen) {
114		nss_result = NSS_STR_PARSE_ERANGE;
115		goto result_user2str;
116	}
117
118	if (argp->buf.result != NULL) {
119		if ((be->buffer = calloc(1, len)) == NULL) {
120			nss_result = NSS_STR_PARSE_PARSE;
121			goto result_user2str;
122		}
123		buffer = be->buffer;
124	} else
125		buffer = argp->buf.buffer;
126	(void) snprintf(buffer, len, "%s:%s:%s:%s:%s",
127			name[0], qu_str, res1_str, res2_str, attr_str);
128	/* The front end marshaller doesn't need the trailing null */
129	if (argp->buf.result != NULL)
130		be->buflen = strlen(be->buffer);
131
132result_user2str:
133	(void) __ns_ldap_freeResult(&be->result);
134	return ((int)nss_result);
135}
136
137
138static nss_status_t
139getbyname(ldap_backend_ptr be, void *a)
140{
141	nss_XbyY_args_t	*argp = (nss_XbyY_args_t *)a;
142	char		searchfilter[SEARCHFILTERLEN];
143	char		userdata[SEARCHFILTERLEN];
144	char		name[SEARCHFILTERLEN];
145	int		ret;
146
147	if (_ldap_filter_name(name, argp->key.name, sizeof (name)) != 0)
148		return ((nss_status_t)NSS_NOTFOUND);
149
150	ret = snprintf(searchfilter, sizeof (searchfilter),
151	    _USER_GETUSERNAME, name);
152	if (ret >= sizeof (userdata) || ret < 0)
153		return ((nss_status_t)NSS_NOTFOUND);
154
155	ret = snprintf(userdata, sizeof (userdata),
156	    _USER_GETUSERNAME_SSD, name);
157	if (ret >= sizeof (userdata) || ret < 0)
158		return ((nss_status_t)NSS_NOTFOUND);
159
160	return ((nss_status_t)_nss_ldap_lookup(be, argp,
161	    _USERATTR, searchfilter, NULL, _merge_SSD_filter, userdata));
162}
163
164
165static ldap_backend_op_t userattr_ops[] = {
166	_nss_ldap_destr,
167	_nss_ldap_endent,
168	_nss_ldap_setent,
169	_nss_ldap_getent,
170	getbyname
171};
172
173
174/*ARGSUSED0*/
175nss_backend_t *
176_nss_ldap_user_attr_constr(const char *dummy1,
177    const char *dummy2,
178    const char *dummy3,
179    const char *dummy4,
180    const char *dummy5)
181{
182	return ((nss_backend_t *)_nss_ldap_constr(userattr_ops,
183		sizeof (userattr_ops)/sizeof (userattr_ops[0]), _USERATTR,
184		user_attrs, _nss_ldap_user2str));
185}
186